July 30, 2021

What’s That Sound: Fuzz

Imagine playing in an otherwise ordinary recording session when a piece of studio equipment fails -- noisily and spectacularly. Then everyone agrees that whatever other-worldly sound came out of the carnage needs to stay in the recording because it made the song better! Fuzz, the elder statesman effect of the guitar universe, began this way, and the modern world of guitar pedals is forever indebted to that happy accident.


A broken transistor made for Grady Martin’s surprisingly gritty bass solo in Marty Robbins’ “Don’t Worry.”

Fuzz is the sound of a signal gone wrong. Country songwriter Marty Robbins was recording “Don’t Worry” at Bradley Film & Recording studios in 1960 when a transistor broke inside the studio’s recording console. Bassist Grady Martin went on playing, capturing the song’s signature buzzing bass solo. Howlin’ Wolf achieved a similar effect by maxing out the volume of his amplifier on recordings like “Moanin’ at Midnight,” and Link Wray punched holes in the speaker cone of his amp to achieve the gritty tone on “Rumble.” But destroying equipment wouldn’t be sustainable long-term; musicians needed something more reliable. Enter the fuzz pedal!


The Maestro FZ-1 Fuzz Tone was the first commercially available stomp box. Originally marketed as a device to make guitars sound like other instruments, it became a signature guitar sound of its own.

Audio engineer Glenn Snoddy developed the first fuzz circuit in 1961. Gibson Electronics released it under the name “Maestro Fuzz Tone,” claiming the pedal could mimic wind and string instruments. It was not until Keith Richards used it on the main riff for “(I Can’t Get No) Satisfaction” that the new sound really stuck. Several variations emerged in subsequent years, including the Sola Sound Tone Bender, the Electro Harmonix Big Muff, and the Arbiter Fuzz Face; early adopters of the pedals including Duane Allman, Jimi Hendrix, and George Harrison made their fuzz pedals integral to their sound.

Fuzz works by clipping the clean signal from your guitar, removing parts of the sound wave to make it sound grittier. Unlike overdrive circuits, which emulate the crunch a tube amplifier pushed to its limits, fuzz doesn’t “clean up” at low volumes, and it adds additional harmonics (or, pitches above the fretted note) to the sound. Sometimes it sounds chaotic and aggressive; other times it sounds lush and complex. Compare the guitar parts in Miguel’s “Hollywood Dreams” and Andrew Bird’s “Valleys of the Young.” One emphasizes the raw, messiness of fuzz guitar while the other slowly sweeps through the full – almost orchestral – harmonic range of the pedal. Same effect, just used two radically different ways.

[RS+] [News] What’s That Sound: Fuzz - fuzz zvex 960 Players recognize the Zvex Fuzz Factory by its distinctive horizontal enclosure, hand-painted artwork, and completely bonkers sounds.

Many mainstream and boutique pedal companies have modified and innovated upon these circuits over the years. The Zvex Fuzz Factory includes additional circuitry that generates additional noises independent of the guitar; the Walrus Janus uses joysticks in place of knobs to shape your sound. Depending on your goals, you can find fuzz pedals that range from historically accurate to outright chaos.

If you’re adding fuzz to your pedalboard, place the pedal first in your signal chain, so your guitar's volume knob can sculpt the sound of the pedal. And if you’ve only thought of fuzz as a messy, heavy effect, try imagining it in other contexts and see where those sonic possibilities take you.

Margaret Jones is a multi-instrumentalist, songwriter, and music teacher living in Oakland, CA. She plays guitar in several local bands including her own songwriting project M Jones and the Melee. She also holds a Ph.D. in Music History from UC Berkeley and has taught at the San Francisco Conservatory of Music.

“black instrument pedal” by peakpx.com is licensed under CC0 1.0

"Zvex Fuzz Factory" by Art Bromage is licensed under CC BY-SA 2.0

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